<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Grid Test: Grid container synthesizing baseline from empty item</title>
<meta name="assert" content="An inline-grid with an empty grid item should reliably synthesize an alphabetic (not central) baseline when aligning in a 'horizontal-tb' block's line-box.">
<link rel="help" href="https://www.w3.org/TR/css-writing-modes-4/#text-baselines">
<link rel="help" href="https://www.w3.org/TR/css-grid-1/#grid-baselines">
<link rel="match" href="reference/grid-container-baseline-synthesized-001-ref.html">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<style>
:root {
  font: 20px/1 Ahem;
}
.container {
  display: inline-grid;
  grid-template-rows: 60px;
  grid-template-columns: 60px;
  background: cyan;
  writing-mode: vertical-rl;
}
.f { display: flex; }
.g { display: grid; }
.t { display: table; }
.container > * {
  border: 3px solid black;
  overflow: hidden;
}
.vrl-items > * { writing-mode: vertical-rl; }
.vlr-items > * { writing-mode: vertical-lr; }
.srl-items > * { writing-mode: sideways-rl; }
.slr-items > * { writing-mode: sideways-lr; }
</style>
X
<div class="container"><div></div></div>
<div class="container"><div class="g"></div></div>
<div class="container"><div class="f"></div></div>
<div class="container"><div class="t"></div></div>
<br><br>
X
<div class="container vrl-items"><div></div></div>
<div class="container vrl-items"><div class="g"></div></div>
<div class="container vrl-items"><div class="f"></div></div>
<div class="container vrl-items"><div class="t"></div></div>
<br><br>
X
<div class="container vlr-items"><div></div></div>
<div class="container vlr-items"><div class="g"></div></div>
<div class="container vlr-items"><div class="f"></div></div>
<div class="container vlr-items"><div class="t"></div></div>
<br><br>
X
<div class="container srl-items"><div></div></div>
<div class="container srl-items"><div class="g"></div></div>
<div class="container srl-items"><div class="f"></div></div>
<div class="container srl-items"><div class="t"></div></div>
<br><br>
X
<div class="container slr-items"><div></div></div>
<div class="container slr-items"><div class="g"></div></div>
<div class="container slr-items"><div class="f"></div></div>
<div class="container slr-items"><div class="t"></div></div>
